According to Documentation/devicetree/bindings/net/phy.txt device_type
property of PHY nodes is mandatory, which should be set to
"ethernet-phy". This patch adds check in scanning phys and only scans
node which have device-type set to "ethernet-phy".
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxx>
---
drivers/of/of_mdio.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index d5a57a9..78c53c7 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -57,6 +57,9 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
/* Loop over the child nodes and register a phy_device for each one */
for_each_available_child_of_node(np, child) {
+ /* A PHY must have device_type set to "ethernet-phy" */
+ if (of_node_cmp(child->type, "ethernet-phy"))
+ continue;
/* A PHY must have a reg property in the range [0-31] */
paddr = of_get_property(child, "reg", &len);
if (!paddr || len < sizeof(*paddr)) {
@@ -112,6 +115,10 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
/* auto scan for PHYs with empty reg property */
for_each_available_child_of_node(np, child) {
+ /* A PHY must have device_type set to "ethernet-phy" */
+ if (of_node_cmp(child->type, "ethernet-phy"))
+ continue;
+
/* Skip PHYs with reg property set */
paddr = of_get_property(child, "reg", &len);
if (paddr)
--
1.7.6.5
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